[linux-dvb] PATCH: HVR-4000 support for multiproto_plus (testedon 2.6.25)

Igor goga777 at bk.ru
Mon May 5 15:14:24 CEST 2008


> On Friday 25 April 2008 09:07:13 Igor wrote:
> > Hi, Gregoire
> >
> > with multiproto_plus + your hvr4000-patch I have the same problem with
> > szap2 from dvb-apps
> >
> > ./szap2 -c 19 -n1
> >
> > reading channels from file '19'
> > zapping to 1 'Pro7':
> > sat 0, frequency = 12722 MHz H, symbolrate 22000000, vpid = 0x00ff, apid =
> > 0x0103 sid = 0x27d8 Querying info .. Delivery system=DVB-S
> > using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> > ioctl DVBFE_GET_INFO failed: Operation not supported
> 
> the patch changes the api...

which patch do yuo mean ?


> you can try the attached patch, which not changes the api. that means szap2 is 
> working (only DVB-S, for DVB-S2 you need to modify fe_params: DVB_FEC_AUTO is 
> not supported and you have to define a modulation) 
> 
> fe_params.delsys.dvbs2.fec = DVBFE_FEC_9_10;
> fe_params.delsys.dvbs2.modulation = DVBFE_MOD_QPSK;
> 
> with the attached patch you need to call DVB_SET_DELSYS (like in szap2)...          

could you explain me - how is it possible to modify fe_params for dvb-s2 QPSK/8PSK reception ?

Igor



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